Mr. Han served as the Regional Director of the World Pacific West Pacific, presiding over the daily work of the regional headquarters from 2012 to 2014. He was responsible for coordinating the technical cooperation of 36 member states of the Western Pacific Region and supervising the work of the representative offices of the WHO Western Pacific Region in 16 countries. During this period he successfully presided the World Health Organization West Pacific Health Ministers' Meeting, meeting of the World Health Organization’s Western Pacific Region and the United Nations Environment Programme's Asia-Pacific region and a number of other high-level meetings.
From 2009 to 2012, he served as the Director of WHO's Western Pacific Headquarters Community and Population Health for 3 years. He was responsible for technical cooperation in various public health areas, including chronic disease prevention and control, tobacco control and alcohol control, nutrition, mental health, and elderly care. Maternal and child health, road safety, health and urbanization, environmental health, climate change and health. And he led the prevention of chronic diseases in the Western Pacific into the global agenda, preparation of the “United Nations Political Declaration on Chronic Disease Prevention and Control”, and the formulation and implementation of a multi-sectoral strategy and action plan for chronic diseases.
Mr. Han has rich experience in cooperation with different countries. He used to be the chief representative of the World Health Organization in Malaysia, Singapore, and Brunei, and the chief representative of the World Health Organization in five countries including American Samoa, Western Samoa, the Cook Islands, Tokelau and Niue from 2000 to 2009. He promoted discussions on Malaysian health and trade relations policies and legislation and reviewed the mitigation, prevention, and control strategies of MDGs such as AIDS, tuberculosis, and malaria. He also contributed to the promotion the tobacco control legislation in Samoa, the epidemiological survey, and prevention and control plan for chronic diseases, the implementation of the “Healthy Island” action plan, the public health action to eradicate filariasis, and the establishment of epidemiological investigation and prevention and control plans for sexually transmitted diseases. As chairman of the United Nations multi-agency AIDS Working Group in Samoa, he coordinated the development of a multisectoral national AIDS strategic plan to promote Samoa’s mental health legislation as well.
He was appointed as Regional Advisor for Chronic Noncommunicable Diseases and Director of the Department of Chronic Disease at the Western Pacific Region Headquarters from 1994 to 2000, during which period he developed the "WHO Cooperative Strategy for Cardiovascular and Diabetes Mellitus Prevention in the Western Pacific Region" and presided over the preparation of the "WHO West State of Cardiovascular Disease in the Pacific Region, Epidemiology of Diabetes", "Cancer Control Handbook", "Overview of National Cancer Control in the Western Pacific Region of the World Health Organization". He also supported the implementation of the "Cancer Pain Reduction" plan of the World Health Organization, and Chaired and promoted the “West Pacific Diabetes Declaration” and the “West Pacific Diabetes Declaration Action Plan”.
From 1991 to 1994, he served as Director of the International Division of the Department of International Cooperation of the Ministry of Health and Deputy Executive Committee of the WHO Executive Council. He is responsible for coordinating technical cooperation with international organizations such as WHO, UNICEF, and UNFPA. During 1984 to 1991, he worked as the deputy director of the Institute of Cardiovascular Diseases, Chinese Academy of Medical Sciences and vice president of Fuwai Hospital, and concurrently served as executive deputy director of the National Cardiovascular Disease Prevention Research Office.
As one of the key leaders in the research and promotion of artificial heart valves, he was awarded the second prize of the National Science and Technology Progress Award. Furthermore, he was in charge of setting up of hospital and research of a computer management information system, for which he was given the third prize of science and technology from the Ministry of Health and the scientific and technological achievement award of the Chinese Academy of Medical Sciences. And he was responsible for the organization of the preparation, application, and review of the national "Eight-Five" major cardiovascular disease prevention research project. During the same period, he served as the deputy director of the National Center for Cardiovascular Diseases Technical Cooperation and Training and coordinated the participation of 60 national and provincial and municipal hospitals in the large-scale clinical cooperation network for cardiovascular diseases.
Mr. Han also had worked as the resident physician, assistant research fellow/practitioner doctor/associate researcher in the Department of Cardiology and Medical Imaging from 1983 to 1991. In 2006, the Ministry of Health of China conferred him the title of Researcher of Health Management.
Mr. Han graduated from Department of Medicine, Tongji Medical University in 1982. And he was also a visiting scientist of Scientific Research Management in the School of Medicine in the University of Toronto and Toronto Children's Hospital, He also finished his Master degree in Graduate School of Health Management, Loma Linda University, USA and used to be a USA Institute of visiting scholars.